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- Signalment:
- 5-yr old F Alpaca
- Sample:
- CBC slide review
WBC = 55.8 K/uL (8.0 – 23.3) – Adjusted total from nRBCs = 33600
RBC = 1.79 M/uL (9.6-14.4)
HGB = 3.0 g/dl (11.5-17.5)
HCT = 7.2% (27.0 – 40.6)
Reticulocyte count = 8.3%
Platelets = adequate
Eosinophils = 336 (1%)
Polys = 28896 (86%)
Lymph = 2016 (6%)
Monos = 2352 (7%)
Nuc RBC = 66
- Microscopic Description:
- No hemoparasites seen. Nucleated RBC's are metarubricytes and a few polychromatophilic rubricytes.
Occasional basophilic stippling noted. Slight to moderate hypochromatic with 1-2+ dacryocytes.
No toxic change.
Small arrow = dacryocyte
Large arrows = Cabot's ring - Interpertation:
- Regenerative anemia. Neutrophilia with occasional band.
Cabot’s rings are found in red cells of healthy Camelidae. These thread-like rings and convolutions are thought to be artifacts representing denatured membrane protein.